. >> students headed back to college this year shouldn't expect any help from the federal government. they failed to pass one-year extension of rate cuts for student loans. now on july 1st stafford student loans race doubled. to 6.8%. congress has a month to reach a deal before students return to school. >>> all right, it was a chilly day in federal court for survivors of the boston bombing. as tsarnaev pleaded not guilty. police officers from m.i.t. lined the street across from the courthouse in a support of murdered officer sean collier. inside the loan survivor iing suspect answered not guilty. looking at his relatives often and even smiling. now, this trial could last three to four months as the prosecution plans to call 100 witnesses. >>> another day in court after hearing from 18 witnesses in the defense then rested its case in the murder trial of george zimmerman this all going down yesterday. however, the big question was whether or not the self-described neighborhood watch volunteer would actually take the stand. >> whether or not you want to testify in this case. >> yes, you